Use Venn diagrams to identify the other four. In doing so, keep in mind that all forms of this fallacy have a universal premise and a particular conclusion, that “It is false that some A are B” and “It is false that some A are not B” are universal propositions, and “It is false that all A are B” and “It is false that no A are B” are particular.

Sample Solution

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Step 1 of 4

To identify the other four forms of Existence fallacy

Rule for Existence fallacy

Premise should be Universal and Conclusion should be
particular

Hence the following Venn diagrams are possible for Universal
premise and particular conclusion.